Coccygeus Flashcards
1
Q
Coccygeus
A
- Lies behind Levator ani posterior border on sacrospinous ligament pelvic surface
- Represents muscles dorsal degenerated part
2
Q
Origin
A
Ischial spine
3
Q
Insertion
A
Last sacral piece and 1st coccygeal piece
4
Q
Nerve supply
A
S4 and S5
5
Q
Action
A
- Forms pelvic diaphragm posterior part
- Supports coccyx during delivery & defecation